CVE-2025-34054

CRITICAL EPSS 84.1%
Published Jul 1, 202512mo ago · Modified Jun 17, 20261w ago
10.0 CVSS 4.0
Critical
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Published Jul 1, 2025 12mo ago
Last Modified Jun 17, 2026 1w ago

Description

An unauthenticated command injection vulnerability exists in AVTECH DVR devices via Search.cgi?action=cgi_query. The use of wget without input sanitization allows attackers to inject shell commands through the username or queryb64str parameters, executing commands as root. Exploitation evidence was observed by the Shadowserver Foundation on 2025-01-04 UTC.

CVSS Details

Base Score
10.0
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
84.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-78 OS Command Injection Injection

References 5

  • avtech.com https://avtech.com/
  • vulncheck.com https://vulncheck.com/advisories/avtech-ipcamera-nvr-dvr-mulitple-vulns
  • web.archive.org https://web.archive.org/web/20161029201749/https://github.com/ebux/AVTECH
  • web.archive.org https://web.archive.org/web/20240810225729/https://www.search-lab.hu/advisories/126-AVTech-devices-multiple-vulnerabilities
  • exploit-db.com https://www.exploit-db.com/exploits/40500

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.